package cn.edu.dgut.createspringbootprojectdemo;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.lang.reflect.Array;
import java.util.Arrays;

@SpringBootApplication
public class CreateSpringBootProjectDemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(CreateSpringBootProjectDemoApplication.class, args);
    }

    @Bean("initer")
    CommandLineRunner init(ApplicationContext ac){
        return args -> {
            //自定义run方法
            System.out.println("由Spring Boot注册的所有Bean:");

            String[] beanNames=ac.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for(String beanName:beanNames){
                System.out.println(beanName);
            }
        };
    }


    @RestController
    static class HelloWorldController{
        @RequestMapping("hello")
        String index() {
            return"你好，spring Boot!";
        }


    }
}
